    <div class="border_blue h50">
        This is some text 0.
        This is some text 1.
        This is some text 2.
        This is some text 3.
        This is some text 4.
        <div id="abs_0" class="border_red abs_lt">
            absolute left top
        </div>
        <div id="abs_1" class="border_red abs_rt">
            absolute right top
        </div>
        <div id="abs_2" class="border_red abs_lb">
            absolute left bottom
        </div>
        <div id="abs_3" class="border_red abs_rb">
            absolute right bottom
        </div>
    </div>
